Oil burner



July 2, 1935. c. R, RAU 2,006,842

OIL BURNER Filed March 24, 1953 2 Sheets-Sheet l .52 242 3nventor (Ittomeg July 2, 1935. c R, AU 2,006,842

OIL BURNER Filed March 24, 1933 2 Sheets-Sheet 2 age-2' Imnentor attorney Patented July 2, 1935 UNITED STATES PATENT-"OFFICE This invention is an oil burner, of the type having a base provided with one or more oil grooves, and a combustion. head comprising a pluralityof cylindrical members perforated for-the entrance of. air. The combustion head is movableup. and down with respect to the base so that the burner can be readily lighted. This general type of burner is well known, is in extensive household use'today, usually burns with a blue flame and isoftentimes called a blue flame burner.

' ..Thepresent invention relates primarily to improved means for raising and lowering the com bustion head. The means comprises a lever arrangement, designed for manual. operation, which will raise the combustion head and automatically hold it in the raised position, and which will draw or pull the combustion head forcibly downwardly into tight engagement with the base.

It is of considerable importance in. an oil burner 'that'the combustion head be seated thoroughly and properly on the base. In the prior art, cam arrangements have been used for lifting the combustion head, but in these, the combustion head. is lowered only by gravity. With the present invention, gravity is not relied on, mechanism being provided'fo'r forcibly pulling the combustion head to its seat and holding it there. H

J "The preferred arrangement for accomplishing 'theraising and lowering of the combustion head comprises toggle lever mechan'sim which will be described more in detail. While an eccentric couldbe used for raising andlowering the combustion headand for 'forcibly pulling the combustion head." into tight engagement with the -base,' ,a lever arrangement, specifically atoggle lever arrangement-is preferred.

- Another important featureof the invention'is that the combustion head, consisting of a pluiralityof concentric cylinders, is made as a unitary article which can readily'be put in place or "removedasaunit very quickly. This is particularly valuableinreplacing, repairing or cleaning either the combustionhe'ad or the base. --r*f5till another feature of the invention is that the-'oilgrooveor grooves in the base are providedwith lugs for centering the starting wick With sag and get off center with respect to the groove. i More specifically, and in the preferred embodi- 'ment of the invention, there is provided a stand- "ard onwhich-the base member carrying the oil grooves 'is mounted. on this standard there is looking. upwardly r Fig. v6 isa plan averticallyuslidable. sleeve provided. with a shoulder near its upper end and the combustion head is provided with a rim which rests on this shoulder. The sleeve is threaded above the shoulder so that. a wing nut will clamp the combustion head. in place on the shoulder'of the vertically slidable sleeve. There is a link pivoted at its upper end to the sleeve and pivoted at'its lower end to a lever which is arranged to be manually turned about a horizontal axis. This link and lever arm forms a toggle; 1

The main features of the invention having been. thus outlined, reference will now be made to the accompanying drawingsillustrating. the present preferred embodiment of the invention. It should be understood however, that the dis-- closure is illustrative rather than restrictive of the invention, and may be carried out in other ways. 1

Referring now to the drawings in whi'ch similar reference characters indicate similar parts: Figs 1 isv a perspective view "of the improved burner;

Fig. 2 is a vertical section through the burner; "Fig.3 is a section on the line 3'--3 of Fig.- 2

' Fig. 4 is a side view partly broken away;

Fig 5 is. a horizontal crosssection through Fig.4; 1 v

view in section *of a portionof anoil groove; and Fig. 7 is1.a section in elevation of an 'oil groove. The burner comprises a suitable base 2, carry:-

ing a' vertically'disposed standard' of any suitable shape;ib'ut. preferably rectangular in cross section. Secure'd to the standa'rdby collar-6 is a base .member 8', provided with a plurality of. annular oil carrying grooves, here" indicated asinner groove Hl fand' outer groove 12, suitable radial. passages 14 being provided "for the flowfof oil betweenthe innerand outer grooves, as is' known in thisart. Either or both -of the oil grooves. may be provided with a starting wick I5 and the walls of the grooves are or may be provided with a plurality ofji'nwardly extending lugs 1'6, preferably arranged in oppositely "disposed pairs, as shown moreparticularly in Figs.

.6 and 7, for holding thewick in vertical posias'four in-numb er, on which seats the lower edges of four concentric cylinders 20,)22, '24 and 26* are' adapted to --rest.

These- 'four cylinders are perforated as is usual in this art for admitting air to the combustion Spaces 26 and The four cylinders are suitably secured as by pins 32 to a top plate 34, this top plate beingprovided with four downwardly extending concentric rims 33, perforated for passage of the pins 32. The described cylinders and top plate form what is called a combustion head The flame issues from slots 35 in the plate'34. The

plate 34 is provided with a downwardly extending annular flange 36 which is adapted to seat on an annular shoulder 38 on the upper end' of a sleeve 40, which sleeve surrounds and is slidable on the standard 4. A washer 4| is secured in the sleeve 40, the washer having a rectangular opening for slidably fitting over the rectangular standard 4. The upper end of the sleeve is threaded as at 42 and the wing nut 44 is engageable with said threads and against plate 34,for .clamping thecombustion head in place against'th'e shoulder 38 of the sleeve, and so it is .clear that as the sleeve 40 is moved up and down, the combustion head is movedlikewise. The. combustion head is maintained in accurate alinement with the base member 8 and is held ina true vertical up and down path,- by reason of the sleeve 40 being slidably'positioned on the vertical standard 4, the sleeve acting as a bearing and guide; -By virtue of this maintenance of alinement, the lower edges of the concentric cylinders 20, 22,. 24, and 26 will always fltpaccurately onto their respective seats 'on the base" member 8. i

. The mechanism for positively moving the .combustion head up and down, whichis one of lever arm 52 which is rigid withthe horizontally disposed shaft 54, which shaft can be manually turnedby the handle 56. Shaft 54 is mounted .to turn in suitable bearings 58; these bearings may be integral with and part of the main or supporting -collar,6.' The linkj48 passes through an opening 60 in: the basemember, theputer wall of the opening 60 being shown at 62; I ltu will be evident that when the shaft. is turned, the lever 52 will be raised,.and link.:46

,willbe raised so as toraise the sleeve 46 and the combustion head carried thereby. As the lever 52 reaches its upper position as indicated in dotted lines as in Fig. 4 it goes 'justpast dead center, and one edge of the link .46 engages against wall 62 so that the link will hold the combustion head elevated. In order to .lower' L.the -combustion head, the shaft, 54-is turned .in

the j opposite direction, .which turnsllarm 52 downwardly," therebyJexerting a downward pull on the link 46, which downward'pull brings the lower edges of the perforated cylinders 20, 22,

against their seats and hold them there. Anaccurate, tight and proper seating of the combustion head on the base is thereby always assured.

While the invention has been illustrated in considerable detail, it sh uld be understood; that the invention is not limited to the preciseembodiment shown, but may be carriedby other mechanisms, as falling within the scope 'ot the claims.

I claim as my invention:

1. In an oil burner, in combination, a vertipulling the'jlatter into engagementwith the base 2. In an oil burner, in combination, a vertically positioned standard, a sleeve slidable on said standard, a base member, having oil carrying grooves therein, fixed with respect to the standard, a combustionv head carried by the sleeve and vertically movable therewith, toward and away from 'said base member, the combus-, tion headcomprising a top plate and a series of concentric cylinders connected to the topplate, the lower .edges of the cylinders being .free, means engageable with the top of. the sleeve and the upper end of the sleeve being' the top of. the combustion head, .ior detachably securing. them together, and means for moving the sleeve and the combustlonhead up and down on the standard. 7 i 3. 11113111011 burner, in combination, a vertically positioned standard, a sleeve slidable on saidstandard', a base member, having oil carryin'g' grooves therein, fixed with, respect to the standard, a combustionv head carried by the sleeve and vertically movable therewith, toward and away from said base member, the combustion head comprising a top plate and a series of concentric cylinders detachably connected .to theljtop. plate, the lower edges of the cylinders being-free; means engageable with the .topof the sleeve and-the top of the combustion head, 7

means, including a shaft rotatableon a horizontaliaxis, .operatively connected to said sleeve, inrmoving the sleeve and the combustion head up and down-on thelstandard. 4. In an Oil burner, in combination, a vertically positioned standard. a sleeve slidable thereon, a; base member, having oil carrying grooves, ilxed'with respect to the standard, a combustion head carried'by the sleeve,jthe combustion head comprising a top plate and a .series of concentric cylinders detachably connected to the top plate, the lower edges or th cylinders being free, a link passing through the base member into operative engagement with said sleeve,- and means for raising and lower-,

11 8 said link.

5. In an oil 'burner, in combination, a standard, a basemember having an oil channel- .therein adapted tohold awick, said base member being mounted in fixed relation to. said fixed standard, a sleeve member slidablymoimted on *said fixed standard in snugly fitting engage mer t. therewith, a combustion ,head comprising cylinders adapted'to fltin registering engagement with-said base memberysaid top; por--.

tion. being" connected-to said sleeve member adjacent the upper portion of thesleeve member,

the sleeve member being substantially entirely for detachably securing them together, and;-

a*top portion and asplurality or perforated 10 sleeve, for holding the combustion head in place on the sleeve, and toggle lever means, opera- 'tively connected tosaid sleeve, for raising the sleeve and combustion head, and-for p sitively standard so as to bring said cylinders into and out of engagement with the base member and stop means for holding the said combustion head in raised position to permit access to said burner base.

6. In an oil burner, in combination, a fixed standard, a base member mounted on said standard, said base member having an oil channel therein adapted to hold a wick, a sleeve member slidably mounted on said standard in snugly fitting engagement therewith, a combustion head carried at the upper part of said sleeve member, said combustion head having a top portion and a plurality of perforated cylinders adapted to engage said base member, connecting means for removably holding the combustion head on said sleeve member, with the sleeve member positioned substantially entirely within the combustion head said connecting means being positioned above said top portion so as to be readily accessible for disconnecting said combustion head from the sleeve member, and means for raising and lowering the sleeve member to permit access to said base member.

'7. An oil burner comprising a stationary base member having concentric oil channels therein, each of said channels being adapted to hold a burner wick, means providing communication between said channels, means for feeding oil to one of said channels, a supporting standard mounted in fixed relation to said base member, a sleeve member slidably mounted on said standard, a combustion head having a top plate and a plurality of perforated concentric cylinders carried by said top plate forming walls adapted,

to engage said oil channels when the said combustion head is in position on said base member,

burner top communicating with the spaces between said concentric cylinders to emit combustion gases during operation of the burner, lever means including a link member connected to said sleeve for raising said sleeve soas to p sitively move the said combustion head upwardly I within the combustion head, and projecting through the aperture in the top plate, manually operated means, engageable with the top plate and with the upper portion of the sleeve and positioned above said top plate so as to be freely accessible, for detachably securing the top plate and the sleeve together, and means for raising and lowering said sleeve.

9. In an il burner, in combination, a combustion head comprising a centrally apertured top plate and a plurality of perforated concentric cylinders carried by the underside of the top plate and depending therefrom, a vertically positioned, fixed standard of a length suflicient to project through the central aperture in the top plate, a sleeve, slidable on the standard, within the combustion head, and projecting through the aperture in the top plate, manually operated means, engageable with the top plate and with the upper portion of, the sleeve and positioned above said top plate so as to be freely accessible, for detachably securing the top plate and the sleeve together, and manually operated means, comprising a shaft turnable on a horizontal axis, connected to said sleeve by link means, for positively raising and lowering said sleeve, and the combustion head connected thereto.

CHARLES R. RAU. 

